20083685451 has 8 divisors (see below), whose sum is σ = 27642061824. Its totient is φ = 12957216360.

The previous prime is 20083685383. The next prime is 20083685483. The reversal of 20083685451 is 15458638002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20083685451 - 2²¹ = 20081588299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20083685351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107976711 + ... + 107976896.

It is an arithmetic number, because the mean of its divisors is an integer number (3455257728).

Almost surely, 2^20083685451 is an apocalyptic number.

20083685451 is a deficient number, since it is larger than the sum of its proper divisors (7558376373).

20083685451 is a wasteful number, since it uses less digits than its factorization.

20083685451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215953641.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 20083685451 in words is "twenty billion, eighty-three million, six hundred eighty-five thousand, four hundred fifty-one".